i think he's very old,改为,一般疑问句

(改为一般疑问句)
there is a computer in my house.
there are some flowers on the teachers' desk
(改为否定句)
I think he is very old

第1个回答  2019-04-24
Is there a computer in my house?
Are there some flowers on the teacher's desk?
I don't think he's very old.
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